build(deps): bump Roslynator.Analyzers in /integrationtests

Bumps [Roslynator.Analyzers](https://github.com/dotnet/roslynator) from 4.5.0 to 4.6.1.
- [Release notes](https://github.com/dotnet/roslynator/releases)
- [Changelog](https://github.com/dotnet/roslynator/blob/main/ChangeLog.md)
- [Commits](dotnet/roslynator@v4.5.0...v4.6.1)

---
updated-dependencies:
- dependency-name: Roslynator.Analyzers
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

integrationtests/Directory.Build.props

@@ -27,7 +27,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="stylecop.analyzers" Version="1.2.0-beta.507" PrivateAssets="all" />
-    <PackageReference Include="Roslynator.Analyzers" Version="4.5.0" PrivateAssets="All" />
+    <PackageReference Include="Roslynator.Analyzers" Version="4.6.1" PrivateAssets="All" />
   </ItemGroup>
   <ItemGroup>
     <AdditionalFiles Include="$(MSBuildThisFileDirectory)..\src\stylecop.json" Link="stylecop.json" />